(1830). Considerations on the practicability and utility of immediately constructing a central railway, from Pottsville to Sunbury and Danville, through the coal region of Mahanoy and Shamokin, with the proceedings of a meeting at Sunbury, Dec. 1830: Republished with additions by the Philadelphia Committee. [Philadelphia, Pa.: Philadelphia Committee].

Considerations On the Practicability and Utility of Immediately Constructing a Central Railway, From Pottsville to Sunbury and Danville, Through the Coal Region of Mahanoy and Shamokin, With the Proceedings of a Meeting At Sunbury, Dec. 1830: Republished With Additions By the Philadelphia Committee. [Philadelphia, Pa.: Philadelphia Committee], 1830.

Considerations On the Practicability and Utility of Immediately Constructing a Central Railway, From Pottsville to Sunbury and Danville, Through the Coal Region of Mahanoy and Shamokin, With the Proceedings of a Meeting At Sunbury, Dec. 1830: Republished With Additions By the Philadelphia Committee. [Philadelphia, Pa.: Philadelphia Committee], 1830.